Combined thermocouple and RTD calibrator



FIG. 1 is a top, front and right side perspective view of a combined thermocouple and RTD calibrator showing our new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a rear elevational view; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a combined thermocouple and RTD calibrator, as shown. 